daily newspaper "the guardian" says british agents destroyed hard drives to keep secrets provided by nsa leaker edward snowden away from chinese spies. the editor made the claim in an opinion piece published yesterday on "the guardian's" website. he says gchq came to his office and forced the newspaper to destroy material leaked by snowden. the editor calls the move pointless, saying "the guardian's" investigative work will continue. >>> linkedin is now welcoming career-oriented teens. >>> and travelers can expect a lot more traffic on the roads this weekend. here's ellen with this morning's bloomberg business report. >> reporter: good morning. expect heavier traffic for the labor day holiday. aaa predicting more than 29 million people will hit the open road that weekend. those flying expected to rise as well with the total number traveling more than 34 million, the most since 2008. >>> meantime, the faa has invested $40 billion in the so-called next-gen air traffic control system aimed at reducing delays, jet fuel consumption, also carbon emissions. and after years of delay, some signs